CN103806537A - Embedded column type precast concrete unit connecting method - Google Patents
Embedded column type precast concrete unit connecting method Download PDFInfo
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- CN103806537A CN103806537A CN201410082605.XA CN201410082605A CN103806537A CN 103806537 A CN103806537 A CN 103806537A CN 201410082605 A CN201410082605 A CN 201410082605A CN 103806537 A CN103806537 A CN 103806537A
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- precast unit
- concave groove
- transverse concave
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Abstract
The invention relates to an embedded column type precast concrete unit connecting method and belongs to the technical field of building structures. The method is characterized in that a first precast concrete unit is connected with a second precast concrete unit into one whole body; the first precast concrete unit is provided with at least one longitudinal hole in parallel to the surface, transverse grooves are formed in the longitudinal edge of the first precast concrete unit at intervals, and are crossed with the longitudinal holes outside, two side surfaces of each transverse groove are connected with longitudinal bars, and reinforcement rings are hung on the longitudinal bars; semiring-shaped reinforcements are arranged on the side surface of the second precast concrete unit, or reinforcement rings are hung on the side surface of the second precast concrete unit; the reinforcement rings of the first precast concrete unit are connected with the reinforcement rings or the semiring-shaped reinforcements of the second precast concrete unit, certain connection gaps are reserved between the reinforcement rings of the first precast concrete unit and the reinforcement rings or the semiring-shaped reinforcements of the second precast concrete unit, formworks are arranged at front and rear sides of the precast concrete units, and concrete is poured in a space formed by the formworks, the side edges of the precast concrete units, the longitudinal holes and the transverse grooves so as to connect the precast concrete units into one whole body. The embedded column type precast concrete unit connecting method can improve integrity of a precast concrete structure and promote development of the building industrialization.
Description
Technical field
The invention belongs to building structure technology field, relate in particular to a kind of sleeper formula precast unit method of attachment for fabricated assembly overall concrete structure.
Background technology
Precast concrete is to be applicable to industrialized form of structure, is the direction of housing industrialization development.Joint's connection fabrication in precast concrete between prefabricated units has determined integrality performance of the structure.Existing precast concrete node is generally the weak link of structure, has affected stress performance, and work progress is comparatively complicated.
Summary of the invention
Invention provides a kind of easy construction, sleeper formula precast unit method of attachment that stress performance is good.The sleeper formula precast unit method of attachment that the present invention proposes facilitates the connection between precast unit, strengthens the globality of precast concrete, improves industrialization of construction industry level.
The sleeper formula precast unit method of attachment that the present invention proposes, the first precast unit and the second precast unit are linked to be to entirety, described the first precast unit has at least one longitudinal hole parallel with surface, longitudinal edge interval arranges the transverse concave groove crossing with the longitudinal hole in outside, the two sides of described transverse concave groove are connected with vertical muscle, hang with reinforced steel bar ring (being ring steel reinforced bar) on described vertical muscle; Or in longitudinal hole crossing with transverse concave groove, vertical muscle is set, on described vertical muscle, hangs with reinforced steel bar ring.Reinforced steel bar ring hangs on vertical muscle, can on vertical muscle, freely adjust position, facilitates precast unit transportation, lifting, facilitates reinforced steel bar ring location, and reinforced steel bar ring can replace the reinforcing bar that job site arranges simultaneously, reduces job site steel project; Transverse concave groove can increase the globality between precast unit; Longitudinally hole facilitates concreting; Transverse concave groove is with longitudinally hole is crossing, and longitudinally the rear pouring concrete in hole and the rear pouring concrete between precast unit are connected as a single entity, and are interlocked with precast concrete, greatly strengthen the globality between precast unit; Reinforced steel bar ring has very large activity space in transverse concave groove, convenient transportation, and convenient and other reinforcing bars handing-over, and can reduce the spacing between precast unit, thus reduce template amount, rear pouring concrete amount etc.Described the second precast unit side be embedded with anchoring fully, exposed portions serve is Semicircular reinforcing bar (being U-shaped reinforcing bar), or described the second precast unit side hangs with reinforced steel bar ring.The reinforced steel bar ring of the reinforced steel bar ring of described the first precast unit and the second precast unit or semicircular reinforcing bar join mutually, reserved certain handing-over space therebetween, before and after described precast unit, both sides arrange template, in the space of described template, described precast unit side, longitudinally hole and transverse concave groove formation after fluid concrete, through maintenance, precast unit is connected into entirety.
The sleeper formula precast unit method of attachment that the present invention proposes is characterised in that, inserts vertical muscle in described handing-over space.Vertical muscle can improve between reinforced steel bar ring or reinforced steel bar ring and semicircular reinforcing bar between the mutual intensity of handing-over, vertical muscle forms cage of reinforcement with reinforced steel bar ring simultaneously, the connection integrity between enhancing precast unit.
The sleeper formula precast unit method of attachment that the present invention proposes is characterised in that, described the second precast unit longitudinal edge interval arranges transverse concave groove, and the two sides of transverse concave groove are connected with vertical muscle, on vertical muscle, hang with reinforced steel bar ring.Transverse concave groove can strengthen the connection between precast unit, and the vertical muscle that transverse concave groove two sides connect has more increased bonding strength; And connecting reinforcement partial-length between precast unit is in transverse concave groove, has reduced the distance between precast unit, thus pouring concrete amount and template amount after reducing.Reinforced steel bar ring hangs on vertical muscle, can on vertical muscle, freely adjust position, facilitates precast unit transportation, lifting, facilitates reinforced steel bar ring location, and reinforced steel bar ring can replace the reinforcing bar that job site arranges simultaneously, reduces job site steel project.
The sleeper formula precast unit method of attachment that the present invention proposes is characterised in that, described the second precast unit has at least one longitudinal hole parallel with surface, longitudinal edge interval arranges the transverse concave groove crossing with the longitudinal hole in outside, the two sides of described transverse concave groove are connected with vertical muscle, on vertical muscle, hang with reinforced steel bar ring; Or in longitudinal hole crossing with transverse concave groove, vertical muscle is set, on vertical muscle, hangs with reinforced steel bar ring.Transverse concave groove is with longitudinally hole is crossing, and longitudinally the rear pouring concrete in hole and the rear pouring concrete between precast unit are linked to be entirety, are mutually interlocked with precast concrete, have increased connection integrity.
The sleeper formula precast unit method of attachment that the present invention proposes is characterised in that, described the second prefabricated units side be embedded with anchoring fully, exposed portions serve is Semicircular reinforcing bar, described reinforced steel bar ring hangs on semicircular reinforcing bar.
The present invention propose the method for attachment of sleeper formula precast unit be characterised in that, before concreting, described reinforced steel bar ring is vertical with precast unit side; Or described reinforced steel bar ring and precast unit side oblique, can more effectively resist the shearing of seam crossing between prefabricated units like this.
The sleeper formula precast unit method of attachment that the present invention proposes is characterised in that, described reinforced steel bar ring is welded reinforcement ring, or described reinforced steel bar ring is closed stirrup, or other forms of reinforcing bar.Reinforced steel bar ring is rectangle, circle etc.In the time adopting closed stirrup, closed stirrup can install after precast unit completes again, and passes vertical muscle at the crotch place of closed stirrup; The operation that reinforced steel bar ring is hung over to precast unit completes or has concentrated before the lifting of building-site precast unit in factory, has avoided installing after precast unit is in place again, has improved structure industrialized level.
The sleeper formula precast unit method of attachment that the present invention proposes is characterised in that, the transverse concave groove positioned opposite of described the first precast unit and the second precast unit, the connecting reinforcement partial-length between precast unit is in transverse concave groove, reduce the spacing between precast unit, reduced template amount and rear pouring concrete beam; Or the transverse concave groove positioned opposite of the projection between the transverse concave groove of described the first precast unit and the second precast unit.
The present invention propose the method for attachment of sleeper formula precast unit be characterised in that, described handing-over space is between precast unit; Or the spacing between precast unit, in the transverse concave groove of the second precast unit, can be reduced like this in described handing-over space, reduce template amount and rear pouring concrete amount, the bonding strength of reinforcement.When insert vertical muscle in handing-over space time, more strengthen the bonding strength between precast unit.
The sleeper formula precast unit method of attachment that the present invention proposes can be used for the connection between assembly unit in assembled integral shear wall structure, frame shear wall structure, tubular construction etc., also can be used for the connection between assembly unit in the prefabricated reinforced concrete body of wall loadbearing member such as outer wall of basement, material storage container sidewall.Also in can connecting for floor, and connection between other precast concrete members.
Technical characterstic of the present invention and advantage.
(1) precast unit of the present invention hangs with reinforced steel bar ring, and reinforced steel bar ring is hinged on prefabricated units, and reinforced steel bar ring can freely be adjusted position within the specific limits, facilitates reinforcing bar connection between transportation, installation and the prefabricated units of precast unit etc.
(2) there is transverse concave groove precast unit of the present invention side, crossing with longitudinal hole, and vertical muscle connects the two sides of transverse concave groove, can improve the binding ability between prefabricated units.In the process such as transportation, installation of precast unit, described reinforced steel bar ring can all or part ofly be placed in transverse concave groove, convenient construction.
(3) precast unit of the present invention can improve the industrialized level of precast concrete.Existing precast unit side reserved steel bar, job site on reserved steel bar again configuration reinforcement realize the connection between prefabricated units; Reinforced steel bar ring in the present invention can replace the reinforcing bar that in prior art, job site configures on reserved steel bar, reduces job site reinforcing bar configuration quantity, and the part reinforced bar engineering of job site is transferred to factory, improves industrialization of construction industry level.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment schematic diagram of the present invention.
Fig. 2 is the schematic diagram of the another kind of embodiment of the present invention.
Fig. 3 is the schematic diagram of the another kind of embodiment of the present invention.
Fig. 4 is the schematic diagram of the another kind of embodiment of the present invention.
Fig. 5 is the schematic diagram of the another kind of embodiment of the present invention.
Fig. 6 is the schematic diagram of the another kind of embodiment of the present invention.
Fig. 7 is the schematic diagram of the another kind of embodiment of the present invention.
Fig. 8 is the schematic diagram of the another kind of embodiment of the present invention.
Fig. 9 is the schematic diagram of the another kind of embodiment of the present invention.
Figure 10 is a kind of embodiment schematic diagram of the first precast unit in the embodiment of the present invention.
Figure 11 is the another kind of embodiment schematic diagram of the first precast unit in the embodiment of the present invention.
Figure 12 is the another kind of embodiment schematic diagram of the first precast unit in the embodiment of the present invention.
Figure 13 is the another kind of embodiment schematic diagram of the first precast unit in the embodiment of the present invention.
Figure 14 is a kind of embodiment schematic diagram of the second precast unit in the embodiment of the present invention.
Figure 15 is the another kind of embodiment schematic diagram of the second precast unit in the embodiment of the present invention.
Figure 16 is the another kind of embodiment schematic diagram of the second precast unit in the embodiment of the present invention.
Figure 17 is the another kind of embodiment schematic diagram of the second precast unit in the embodiment of the present invention.
Figure 18 is the another kind of embodiment schematic diagram of the second precast unit in the embodiment of the present invention.
Figure 19 is the another kind of embodiment schematic diagram of the second precast unit in the embodiment of the present invention.
Figure 20 is the another kind of embodiment schematic diagram of the second precast unit in the embodiment of the present invention.
Mark implication in accompanying drawing is: the rear pouring concrete 9 of reinforced steel bar ring 8 of reinforced steel bar ring 7 second precast units of vertical muscle 6 first precast units of transverse concave groove 5 first precast units of longitudinal hole 4 first precast units of 1 first precast unit 2 second precast unit 3 first precast units joins vertical muscle 14 second precast units that the semicircular reinforcing bar 11 of vertical muscle 10 second precast units in space is communicated with transverse concave groove 13 second precast units of horizontal hole 12 second precast units of longitudinal hole and hangs with longitudinal hole of semicircular reinforcing bar 15 second precast units of reinforced steel bar ring.
The specific embodiment
Below in conjunction with drawings and Examples, to sleeper formula precast unit of the present invention, method of attachment is described in detail.
A kind of embodiment of the sleeper formula precast unit method of attachment that the present invention proposes, as Fig. 1, the first precast unit 1 has at least one longitudinal hole 3 parallel with surface, longitudinal edge interval arranges the transverse concave groove 4 crossing with the longitudinal hole 3 in outside, the two sides of transverse concave groove 4 are connected with vertical muscle 5, on vertical muscle 5, hang with reinforced steel bar ring 6.Reinforced steel bar ring hangs on vertical muscle, can on vertical muscle, freely adjust position, facilitates precast unit transportation, lifting, facilitates reinforced steel bar ring location, and reinforced steel bar ring can replace the reinforcing bar that job site arranges simultaneously, reduces job site steel project; Transverse concave groove can increase the globality between precast unit; Longitudinally hole 3 facilitates concreting; Transverse concave groove 4 is with longitudinally hole 3 is crossing, and longitudinally the rear pouring concrete in hole and the rear pouring concrete between precast unit are connected as a single entity, and are interlocked with precast concrete, greatly strengthen the globality between precast unit; Reinforced steel bar ring 6 has very large activity space in transverse concave groove 4, convenient transportation, and convenient and other reinforcing bars handing-over, and can reduce the spacing between precast unit, thus reduce Site Template amount, rear pouring concrete amount etc.The second precast unit 2 sides hang with reinforced steel bar ring 7.The reinforced steel bar ring 6 of the first precast unit and the reinforced steel bar ring 7 of the second precast unit join mutually, and reserved certain handing-over space, is fixed on precalculated position by reinforced steel bar ring therebetween; Before and after described precast unit, both sides arrange template, in the space forming, after fluid concrete 8, through maintenance, two precast units are connected into entirety at described template, described precast unit side, longitudinal hole and transverse concave groove.In Fig. 1, the second precast unit 2 has longitudinal hole, and longitudinal edge interval arranges the transverse concave groove crossing with the longitudinal hole in outside, and the two sides of transverse concave groove are connected with vertical muscle, and reinforced steel bar ring 7 hangs on vertical muscle.In another kind of embodiment, as Fig. 2, the second precast unit 2 longitudinal edge intervals arrange transverse concave groove, and the two sides of transverse concave groove are connected with vertical muscle, and reinforced steel bar ring 7 hangs on vertical muscle.
In the another kind of embodiment of the sleeper formula precast unit method of attachment that the present invention proposes, as Fig. 3, the first precast unit 1 has at least one longitudinal hole 3 parallel with surface, longitudinal edge interval arranges the transverse concave groove 4 crossing with the longitudinal hole 3 in outside, vertical muscle 5 is set in longitudinal hole crossing with transverse concave groove 4, on vertical muscle 5, hangs with reinforced steel bar ring 6.In Fig. 3, the second precast unit 2 has longitudinal hole, and longitudinal edge interval arranges the transverse concave groove crossing with the longitudinal hole in outside, in longitudinal hole crossing with transverse concave groove, vertical muscle is set, and reinforced steel bar ring 7 hangs on vertical muscle.
In the another kind of embodiment of the sleeper formula precast unit method of attachment that the present invention proposes, as Fig. 4, the reinforced steel bar ring 6 of the first precast unit and the reinforced steel bar ring 7 of the second precast unit join mutually, insert vertical muscle 9 in handing-over space.In order to increase the globality of connection, the vertical muscle 9 in handing-over space can be 2 row, as Fig. 5, or inserts more vertical muscle, can between precast unit, form sleeper.
In the another kind of embodiment of the sleeper formula precast unit method of attachment that the present invention proposes, as Fig. 6, the second precast unit 2 sides be embedded with anchoring fully, exposed portions serve is Semicircular reinforcing bar 10, the reinforced steel bar ring 6 of semicircular reinforcing bar 10 and the first precast unit joins mutually.In Fig. 6, the reinforced steel bar ring 6 of semicircular reinforcing bar 10 and the first precast unit joins between precast unit mutually.In the time that the second precast unit 2 sides have transverse concave groove, the reinforced steel bar ring 6 of semicircular reinforcing bar 10 and the first precast unit can join mutually in the transverse concave groove of the second precast unit 2, as Fig. 7, the spacing between precast unit be can reduce, template amount and rear pouring concrete amount reduced; Can further improve connection integrity by insert vertical muscle in handing-over space.
In the another kind of embodiment of the sleeper formula precast unit method of attachment that the present invention proposes, as Fig. 8, the second precast unit 2 sides have transverse concave groove, projection positioned opposite between the transverse concave groove of the first precast unit and the second precast unit transverse concave groove, in projection between the second precast unit transverse concave groove, there is semicircular reinforcing bar 10, mutually join with reinforced steel bar ring 6.
In the another kind of embodiment of sleeper formula precast unit method of attachment that the present invention proposes, as Fig. 9, reinforced steel bar ring 6 and the side oblique of the first precast unit, can more effectively resist the shearing of seam crossing between prefabricated units like this.In Fig. 9, reinforced steel bar ring 6 is identical with the angle of precast unit side; In other embodiments, reinforced steel bar ring can be different from the angle of precast unit side.
In the another kind of embodiment of the sleeper formula precast unit method of attachment that the present invention proposes, after the reinforced steel bar ring 6 of the first precast unit and the reinforced steel bar ring 7 of the second precast unit or semicircular reinforcing bar 10 join mutually, place again reinforced steel bar ring on handover region top, can increase like this handing-over intensity between precast reinforced concrete structure, but construction is comparatively complicated.In the another kind of embodiment of the sleeper formula precast unit method of attachment that the present invention proposes, by the reinforced steel bar ring 6 of reinforced steel bar ring and the first precast unit is set again, reinforced steel bar ring 7 or the semicircular reinforcing bar 10 of the second precast unit joins respectively, this embodiment construction is comparatively complicated.
In the sleeper formula precast unit method of attachment that the present invention proposes, a kind of embodiment of the first precast unit, as Figure 10, in precast unit 1, have at least one longitudinal hole 3 parallel with surface, longitudinal edge interval arranges the transverse concave groove 4 crossing with the longitudinal hole 3 in outside, the two sides of transverse concave groove are connected with vertical muscle 5, on vertical muscle 5, hang with reinforced steel bar ring 6.In Figure 10, vertical muscle 5 is 1 row, can be also more than 2 rows or 2 arrange.In projection between transverse concave groove, be furnished with reinforcing bar, in Figure 10, dash area is cutting plane.Longitudinally hole can be circular hole, square hole etc.Tangent inside transverse concave groove bottom and longitudinally hole, as Figure 10; Or transverse concave groove bottom exceedes longitudinal hole inner side to be stretched in precast unit, as Figure 11; Or transverse concave groove bottom surface is with longitudinally hole is crossing, as Figure 12.
In the sleeper formula precast unit method of attachment that the present invention proposes, a kind of embodiment of the first precast unit, as Figure 13, the horizontal hole 11 that connects longitudinal hole is set in the projection that transverse concave groove is 4, can strengthen the globality connecting between precast unit.
Figure 10, Figure 11, Figure 12, the embodiment that also can be used as the second precast unit embodiment illustrated in fig. 13.
In the sleeper formula precast unit method of attachment that the present invention proposes, a kind of embodiment of the second precast unit, as Figure 14, precast unit 2 sides have transverse concave groove 12, the two sides of transverse concave groove 12 are connected with vertical muscle 13, on vertical muscle 13, hang with reinforced steel bar ring 7.The lateral view of transverse concave groove is trapezoidal, can be also other shapes.
In the sleeper formula precast unit method of attachment that the present invention proposes, a kind of embodiment of the second precast unit, as Figure 15, precast unit 2 sides be embedded with anchoring fully, exposed portions serve is Semicircular reinforcing bar 14, reinforced steel bar ring 7 hangs on semicircular reinforcing bar 14.
In the sleeper formula precast unit method of attachment that the present invention proposes, a kind of embodiment of the second precast unit, as Figure 16, in precast unit 2, have at least one longitudinal hole 15 parallel with surface, longitudinal edge interval arranges the transverse concave groove 12 crossing with the longitudinal hole 15 in outside, and semicircular reinforcing bar 10 is arranged at transverse concave groove bottom.Semicircular reinforcing bar 10 can be vertical with precast unit side, as Figure 16, also can oblique, and as Figure 17.
In the sleeper formula precast unit method of attachment that the present invention proposes, a kind of embodiment of the second precast unit, as Figure 18, precast unit 2 longitudinal edge intervals arrange transverse concave groove 12, and semicircular reinforcing bar 10 is arranged at transverse concave groove bottom.Semicircular reinforcing bar 10 can be vertical with precast unit side, also can with precast unit side oblique.
In the sleeper formula precast unit method of attachment that the present invention proposes, a kind of embodiment of the second precast unit, as Figure 19, precast unit 2 longitudinal edge intervals arrange transverse concave groove 12, and there is semicircular reinforcing bar 10 prominence between transverse concave groove bottom and transverse concave groove.Semicircular reinforcing bar 10 can be vertical with precast unit side, also can with precast unit side oblique.
In the sleeper formula precast unit method of attachment that the present invention proposes, a kind of embodiment of the second precast unit, as Figure 20, the longitudinal side of precast unit 2 has semicircular reinforcing bar 10.Semicircular reinforcing bar 10 can be vertical with precast unit side, also can with precast unit side oblique.
Claims (9)
1. sleeper formula precast unit method of attachment, the first precast unit and the second precast unit are linked to be to entirety, it is characterized in that, described the first precast unit has at least one longitudinal hole parallel with surface, longitudinal edge interval arranges the transverse concave groove crossing with the longitudinal hole in outside, the two sides of transverse concave groove are connected with vertical muscle, on described vertical muscle, hang with reinforced steel bar ring; Or described the first precast unit has at least one longitudinal hole parallel with surface, longitudinal edge interval arranges the transverse concave groove crossing with the longitudinal hole in outside, in longitudinal hole crossing with transverse concave groove, vertical muscle is set, on described vertical muscle, hangs with reinforced steel bar ring; Described the second precast unit side be embedded with anchoring fully, exposed portions serve is Semicircular reinforcing bar, or described the second precast unit side hangs with reinforced steel bar ring; The reinforced steel bar ring of the reinforced steel bar ring of described the first precast unit and the second precast unit or semicircular reinforcing bar join mutually, reserved certain handing-over space therebetween, before and after described precast unit, both sides arrange template, in the space of described template, described precast unit side, longitudinally hole and transverse concave groove formation after fluid concrete, through maintenance, precast unit is connected into entirety.
2. sleeper formula precast unit according to claim 1 method of attachment, is characterized in that, inserts vertical muscle in described handing-over space.
3. sleeper formula precast unit according to claim 1 method of attachment, is characterized in that, described the second precast unit longitudinal edge interval arranges transverse concave groove, and the two sides of described transverse concave groove are connected with vertical muscle, on vertical muscle, hangs with reinforced steel bar ring.
4. sleeper formula precast unit according to claim 1 method of attachment, it is characterized in that, described the second precast unit has at least one longitudinal hole parallel with surface, longitudinal edge interval arranges the transverse concave groove crossing with the longitudinal hole in outside, the two sides of described transverse concave groove are connected with vertical muscle, or in longitudinal hole crossing with transverse concave groove, vertical muscle is set, on vertical muscle, hangs with reinforced steel bar ring.
5. sleeper formula precast unit according to claim 1 method of attachment, is characterized in that, described the second prefabricated units side be embedded with anchoring fully, exposed portions serve is Semicircular reinforcing bar, described reinforced steel bar ring hangs on this semicircular reinforcing bar.
6. sleeper formula precast unit according to claim 1 method of attachment, is characterized in that, before concreting, described reinforced steel bar ring is vertical with precast unit side, or described reinforced steel bar ring and precast unit side oblique.
7. sleeper formula precast unit according to claim 1 method of attachment, it is characterized in that, described reinforced steel bar ring is welded reinforcement ring, or described reinforced steel bar ring is closed stirrup.
8. according to the sleeper formula precast unit method of attachment described in claim 1 or 3 or 4, it is characterized in that the transverse concave groove positioned opposite of described the first precast unit and the second precast unit; Or the projection between described the first precast unit transverse concave groove and the transverse concave groove positioned opposite of the second precast unit.
9. according to the sleeper formula precast unit method of attachment described in claim 1 or 3 or 4, it is characterized in that, described handing-over space is between precast unit; Or described handing-over space is in the transverse concave groove of the second precast unit.
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| CN201410082605.XA CN103806537B (en) | 2014-03-09 | 2014-03-09 | The method of attachment of sleeper formula precast unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105937268A (en) * | 2016-05-04 | 2016-09-14 | 初明进 | Prefabricated reinforced concrete component and manufacturing method thereof |
| CN106088355A (en) * | 2016-08-25 | 2016-11-09 | 初明进 | A kind of precast concrete interlayer connecting method |
| CN106121052A (en) * | 2016-08-31 | 2016-11-16 | 初明进 | A kind of precast reinforced concrete structure method of attachment |
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| CN102720272A (en) * | 2012-06-29 | 2012-10-10 | 初明进 | Embedded column type prefabricated part connection node and manufacturing method thereof |
| CN102787681A (en) * | 2012-09-07 | 2012-11-21 | 初明进 | Connecting structure of prefabricated concrete wall body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106121052A (en) * | 2016-08-31 | 2016-11-16 | 初明进 | A kind of precast reinforced concrete structure method of attachment |
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| CN103806537B (en) | 2016-01-20 |
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